S2.E1 ∙ Underverse 0.5 Tue, Dec 15, 2020 After being returned to the main universe, Sans discusses the events of season 1 with Frisk. XGaster discusses "Phase Three" with Ink 9.3 /10
S2.E2 ∙ Underverse 0.6 Wed, Nov 10, 2021 Cross arrives in the Omega Timeline, but his negativity quickly causes problems. 9.2 /10
S2.E3 ∙ Underverse 0.7 Part 1 Tue, Dec 20, 2022 Undyne goes to assist the military against the doppelgangers. Ink seeks out Fresh to give him "The funniest thing in the multiverse". 9.3 /10
S2.E4 ∙ Underverse 0.7 Part 2 Fri, Oct 27, 2023 XGaster tries to bring Cross and Ink to the main universe, but a strange anomaly interrupts. 9.5 /10
S2.E5 ∙ Underverse 0.8 Part 1 Tue, Nov 19, 2024 Undyne, Asgore, Alphys, Papyrus and Frisk, are teleported to a parallel dimension by XGaster. There they fight the XTale Monsters, while Ink and Sans go to meet XGaster the unexpected happens 9.8 /10
